Datasheet

LPC2141_42_44_46_48_2 © Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet Rev. 02 — 28 August 2006 28 of 39
Philips Semiconductors
LPC2141/42/44/46/48
Single-chip 16-bit/32-bit microcontrollers
[1] Typical ratings are not guaranteed. The values listed are at room temperature (25 ˚C), nominal supply voltages.
[2] Core and external rail.
[3] The RTC typically fails when V
i(VBAT)
drops below 1.6 V.
[4] Including voltage on outputs in 3-state mode.
[5] V
DD
supply voltages must be present.
[6] 3-state outputs go into 3-state mode when V
DD
is grounded.
[7] Accounts for 100 mV voltage drop in all supply lines.
[8] Only allowed for a short time period.
[9] Minimum condition for V
I
= 4.5 V, maximum condition for V
I
= 5.5 V.
[10] Applies to P1.16 to P1.31.
[11] On pin VBAT.
[12] Optimized for low battery consumption.
[13] To V
SS
.
[14] Includes external resistors of 18 Ω 1 % on D+ and D−.
V
i(RTXC1)
input voltage on pin
RTXC1
0 - 1.8 V
V
o(RTXC2)
output voltage on pin
RTXC2
0 - 1.8 V
USB pins
I
OZ
OFF-state output current 0 V < V
I
< 3.3 V - - ±10 µA
V
BUS
V
BUS
line input voltage on
the USB connector
- - 5.25 V
V
DI
differential input sensitivity |(D+) − (D−)| 0.2 - - V
V
CM
differential common-mode
range
includes V
DI
range 0.8 - 2.5 V
V
th(rs)se
single-ended receiver
switching threshold
voltage
0.8 - 2.0 V
V
OL
LOW output level R
L
of 1.5 kΩ to 3.6 V - - 0.3 V
V
OH
HIGH output level R
L
of 15 kΩ to GND 2.8 - 3.6 V
C
trans
transceiver capacitance pin to GND - - 20 pF
Z
DRV
driver output impedance
for driver which is not
high-speed capable
steady state drive
[14]
29 - 44 Ω
R
pu
pull-up resistance SoftConnect = ON 1.1 - 1.9 kΩ
Table 5. Static characteristics
…continued
T
a
= − 40 ° C to +85 ° C for commercial applications, unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit
Table 6. ADC static characteristics
V
DDA
= 2.5 V to 3.6 V; T
a
= − 40 ° C to +85 ° C unless otherwise specified. ADC frequency 4.5 MHz.
Symbol Parameter Conditions Min Typ Max Unit
V
IA
analog input voltage 0 - V
DDA
V
C
ia
analog input capacitance - - 1 pF
E
D
differential linearity error
[1][2][3]
--±1 LSB
E
L(adj)
integral non-linearity
[1][4]
--±2 LSB